By Paul Carsten and Lee Chyen Yee BEIJING/SINGAPORE | Wed Jul 31, 2013 7:30pm EDT BEIJING/SINGAPORE (Reuters) - Apple Inc CEO Tim Cook on Tuesday met with the head of China Mobile Ltd, the world's largest mobile carrier by subscribers and the only Chinese carrier that doesn't offer iPhones and iPads. The meeting with China Mobile Chairman Xi Guohua in Beijing was to discuss matters of cooperation, the Chinese firm told Reuters in an emailed statement. It gave no further details. The talks could pave the way for a long-awaited deal for China Mobile to distribute Apple products on its vast network, benefiting both companies. Cook's meeting with China Mobile follows a 43 percent slump in Apple's April-June sales in Greater China, which includes Taiwan and Hong Kong, as the technology gap with cheaper local rivals narrows. Any deal between China Mobile and Apple, combined with...